, but foreign policy is looming large as well. i want to turn to richard engel live in kabul this morning where there is news beyond the libya crisis. there are now 50 plus insider attacks that have killed american and other coalition forces. what's the latest you can tell us on the latest attack? >> reporter: there's been another attack. it took place yesterday. but word of the insider attack is just coming to us today. in this attack, there was an american army checkpoint, a vehicle control point, and two afghan soldiers came up. they were speaking to the americans at this checkpoint. and then suddenly one of these afghan soldiers pulled out a weapon, opened fire, killed one american soldier, killed another american contractor, and then another americans in the area opened fire, killing at least three of the afghans. and this is a major problem according to statistics. at least 20% of all u.s. combat deaths this year are a result of these insider attacks. and there have been orders issued to try and separate u.s. and afghan forc